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Ceramic Cylindrical Roller Bearings

Ceramic cylindrical roller bearings are a type of rolling element bearing that is widely used in various applications such as machine tools, aerospace, and medical equipment. They are also suitable for use in harsh environments where high temperatures, chemicals, or other harsh conditions may be present.
Full complement ceramic cylindrical roller bearings
Precision ceramic cylindrical roller bearings for cnc spindle
SI3N4 rings + peek retainer

Construction of Ceramic cylindrical roller bearings:

Ceramic cylindrical roller bearings are available in single row, double row, and multi-row configurations. The bearing's rollers are cylindrically-shaped, but not true cylinders, as they are crowned or end-relieved to reduce stress concentrations. This particular design helps to reduce friction and allows for high-speed applications.

Material of Ceramic cylindrical roller bearings:

Ceramic cylindrical roller bearings are typically made from materials such as silicon nitride (Si3N4) or zirconia (ZrO2). These materials offer several advantages over traditional steel bearings, such as higher speed capability, higher stiffness, and better resistance to wear and corrosion.

Types of Ceramic cylindrical roller bearings:

There are three common types of ceramic cylindrical roller bearings, that is, Full complement ceramic cylindrical roller bearings, Precision ceramic cylindrical roller bearings for CNC spindle and a type of precision bearings with SI3N4 rings and a PEEK retainer. These types of bearings are designed for high precision applications and offer excellent stability and durability.
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Benefits of Ceramic cylindrical roller bearings:

  • ●High Load Capacity: Ceramic cylindrical roller bearings have line contact between the rollers and the raceway, allowing them to withstand heavy radial loads and impact loads.
  • ●Low Friction: The cylindrical shape of the rollers, along with their crowned or end-relieved geometry, results in low friction and allows for high-speed applications.
  • ●High Stiffness: Ceramic materials are known for their high stiffness, making ceramic cylindrical roller bearings ideal for applications that require high precision and stability.
  • ●Corrosion Resistance: Ceramic materials are highly resistant to corrosion, making ceramic cylindrical roller bearings suitable for use in harsh environments, such as those with high levels of moisture or chemicals.
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